diff options
Diffstat (limited to 'src/libcamera')
| -rw-r--r-- | src/libcamera/pipeline/imx8-isi/imx8-isi.cpp | 9 | ||||
| -rw-r--r-- | src/libcamera/pipeline/ipu3/cio2.cpp | 7 | ||||
| -rw-r--r-- | src/libcamera/pipeline/mali-c55/mali-c55.cpp | 5 | ||||
| -rw-r--r-- | src/libcamera/pipeline/rkisp1/rkisp1.cpp | 7 | ||||
| -rw-r--r-- | src/libcamera/pipeline/rpi/common/pipeline_base.cpp | 5 | ||||
| -rw-r--r-- | src/libcamera/pipeline/simple/simple.cpp | 9 | ||||
| -rw-r--r-- | src/libcamera/pipeline/vimc/vimc.cpp | 7 | ||||
| -rw-r--r-- | src/libcamera/sensor/camera_sensor.cpp | 162 |
8 files changed, 180 insertions, 31 deletions
diff --git a/src/libcamera/pipeline/imx8-isi/imx8-isi.cpp b/src/libcamera/pipeline/imx8-isi/imx8-isi.cpp index 72aa6c75..4e66b336 100644 --- a/src/libcamera/pipeline/imx8-isi/imx8-isi.cpp +++ b/src/libcamera/pipeline/imx8-isi/imx8-isi.cpp @@ -157,11 +157,10 @@ PipelineHandlerISI *ISICameraData::pipe() /* Open and initialize pipe components. */ int ISICameraData::init() { - int ret = sensor_->init(); - if (ret) - return ret; + if (!sensor_) + return -ENODEV; - ret = csis_->open(); + int ret = csis_->open(); if (ret) return ret; @@ -1057,7 +1056,7 @@ bool PipelineHandlerISI::match(DeviceEnumerator *enumerator) std::unique_ptr<ISICameraData> data = std::make_unique<ISICameraData>(this); - data->sensor_ = std::make_unique<CameraSensor>(sensor); + data->sensor_ = CameraSensorFactoryBase::create(sensor); data->csis_ = std::make_unique<V4L2Subdevice>(csi); data->xbarSink_ = sink; diff --git a/src/libcamera/pipeline/ipu3/cio2.cpp b/src/libcamera/pipeline/ipu3/cio2.cpp index 74a5d93f..aa544d7b 100644 --- a/src/libcamera/pipeline/ipu3/cio2.cpp +++ b/src/libcamera/pipeline/ipu3/cio2.cpp @@ -134,10 +134,9 @@ int CIO2Device::init(const MediaDevice *media, unsigned int index) MediaLink *link = links[0]; MediaEntity *sensorEntity = link->source()->entity(); - sensor_ = std::make_unique<CameraSensor>(sensorEntity); - ret = sensor_->init(); - if (ret) - return ret; + sensor_ = CameraSensorFactoryBase::create(sensorEntity); + if (!sensor_) + return -ENODEV; ret = link->setEnabled(true); if (ret) diff --git a/src/libcamera/pipeline/mali-c55/mali-c55.cpp b/src/libcamera/pipeline/mali-c55/mali-c55.cpp index 45c71c1d..4b71e0da 100644 --- a/src/libcamera/pipeline/mali-c55/mali-c55.cpp +++ b/src/libcamera/pipeline/mali-c55/mali-c55.cpp @@ -141,9 +141,8 @@ int MaliC55CameraData::init() * Register a CameraSensor if we connect to a sensor and create * an entity for the connected CSI-2 receiver. */ - sensor_ = std::make_unique<CameraSensor>(entity_); - ret = sensor_->init(); - if (ret) + sensor_ = CameraSensorFactoryBase::create(entity_); + if (!sensor_) return ret; const MediaPad *sourcePad = entity_->getPadByIndex(0); diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp index c7b0b392..870ddf8a 100644 --- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp +++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp @@ -1232,10 +1232,9 @@ int PipelineHandlerRkISP1::createCamera(MediaEntity *sensor) std::make_unique<RkISP1CameraData>(this, &mainPath_, hasSelfPath_ ? &selfPath_ : nullptr); - data->sensor_ = std::make_unique<CameraSensor>(sensor); - ret = data->sensor_->init(); - if (ret) - return ret; + data->sensor_ = CameraSensorFactoryBase::create(sensor); + if (!data->sensor_) + return -ENODEV; /* Initialize the camera properties. */ data->properties_ = data->sensor_->properties(); diff --git a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp index 917c45b3..9e2d9d23 100644 --- a/src/libcamera/pipeline/rpi/common/pipeline_base.cpp +++ b/src/libcamera/pipeline/rpi/common/pipeline_base.cpp @@ -790,13 +790,10 @@ int PipelineHandlerBase::registerCamera(std::unique_ptr<RPi::CameraData> &camera CameraData *data = cameraData.get(); int ret; - data->sensor_ = std::make_unique<CameraSensor>(sensorEntity); + data->sensor_ = CameraSensorFactoryBase::create(sensorEntity); if (!data->sensor_) return -EINVAL; - if (data->sensor_->init()) - return -EINVAL; - /* Populate the map of sensor supported formats and sizes. */ for (auto const mbusCode : data->sensor_->mbusCodes()) data->sensorFormats_.emplace(mbusCode, diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp index 3ddce71d..67f583b8 100644 --- a/src/libcamera/pipeline/simple/simple.cpp +++ b/src/libcamera/pipeline/simple/simple.cpp @@ -388,8 +388,6 @@ SimpleCameraData::SimpleCameraData(SimplePipelineHandler *pipe, MediaEntity *sensor) : Camera::Private(pipe), streams_(numStreams) { - int ret; - /* * Find the shortest path from the camera sensor to a video capture * device using the breadth-first search algorithm. This heuristic will @@ -480,12 +478,9 @@ SimpleCameraData::SimpleCameraData(SimplePipelineHandler *pipe, } /* Finally also remember the sensor. */ - sensor_ = std::make_unique<CameraSensor>(sensor); - ret = sensor_->init(); - if (ret) { - sensor_.reset(); + sensor_ = CameraSensorFactoryBase::create(sensor); + if (!sensor_) return; - } LOG(SimplePipeline, Debug) << "Found pipeline: " diff --git a/src/libcamera/pipeline/vimc/vimc.cpp b/src/libcamera/pipeline/vimc/vimc.cpp index 2165bae8..2e474133 100644 --- a/src/libcamera/pipeline/vimc/vimc.cpp +++ b/src/libcamera/pipeline/vimc/vimc.cpp @@ -532,10 +532,9 @@ int VimcCameraData::init() return ret; /* Create and open the camera sensor, debayer, scaler and video device. */ - sensor_ = std::make_unique<CameraSensor>(media_->getEntityByName("Sensor B")); - ret = sensor_->init(); - if (ret) - return ret; + sensor_ = CameraSensorFactoryBase::create(media_->getEntityByName("Sensor B")); + if (!sensor_) + return -ENODEV; debayer_ = V4L2Subdevice::fromEntityName(media_, "Debayer B"); if (debayer_->open()) diff --git a/src/libcamera/sensor/camera_sensor.cpp b/src/libcamera/sensor/camera_sensor.cpp index 1b224f19..025c9eef 100644 --- a/src/libcamera/sensor/camera_sensor.cpp +++ b/src/libcamera/sensor/camera_sensor.cpp @@ -11,6 +11,7 @@ #include <cmath> #include <float.h> #include <limits.h> +#include <map> #include <string.h> #include <libcamera/base/utils.h> @@ -1202,4 +1203,165 @@ std::string CameraSensor::logPrefix() const return "'" + entity_->name() + "'"; } +namespace { + +/* Transitory default camera sensor implementation */ +class CameraSensorDefault : public CameraSensor +{ +public: + CameraSensorDefault(MediaEntity *entity) + : CameraSensor(entity) + { + } + + static bool match([[maybe_unused]] const MediaEntity *entity) + { + return true; + } + + static std::unique_ptr<CameraSensorDefault> create(MediaEntity *entity) + { + std::unique_ptr<CameraSensorDefault> sensor = + std::make_unique<CameraSensorDefault>(entity); + + if (sensor->init()) + return nullptr; + + return sensor; + } +}; + +REGISTER_CAMERA_SENSOR(CameraSensorDefault) + +}; /* namespace */ + +/** + * \class CameraSensorFactoryBase + * \brief Base class for camera sensor factories + * + * The CameraSensorFactoryBase class is the base of all specializations of + * the CameraSensorFactory class template. It implements the factory + * registration, maintains a registry of factories, and provides access to the + * registered factories. + */ + +/** + * \brief Construct a camera sensor factory base + * + * Creating an instance of the factory base registers it with the global list of + * factories, accessible through the factories() function. + */ +CameraSensorFactoryBase::CameraSensorFactoryBase() +{ + registerFactory(this); +} + +/** + * \brief Create an instance of the CameraSensor corresponding to a media entity + * \param[in] entity The media entity on the source end of the sensor + * + * \return A unique pointer to a new instance of the CameraSensor subclass + * matching the entity, or a null pointer if no such factory exists + */ +std::unique_ptr<CameraSensor> CameraSensorFactoryBase::create(MediaEntity *entity) +{ + const std::vector<CameraSensorFactoryBase *> &factories = + CameraSensorFactoryBase::factories(); + + for (const CameraSensorFactoryBase *factory : factories) { + if (!factory->match(entity)) + continue; + + std::unique_ptr<CameraSensor> sensor = factory->createInstance(entity); + if (!sensor) { + LOG(CameraSensor, Error) + << "Failed to create sensor for '" + << entity->name(); + return nullptr; + } + + return sensor; + } + + return nullptr; +} + +/** + * \brief Retrieve the list of all camera sensor factories + * \return The list of camera sensor factories + */ +std::vector<CameraSensorFactoryBase *> &CameraSensorFactoryBase::factories() +{ + /* + * The static factories map is defined inside the function to ensure + * it gets initialized on first use, without any dependency on link + * order. + */ + static std::vector<CameraSensorFactoryBase *> factories; + return factories; +} + +/** + * \brief Add a camera sensor class to the registry + * \param[in] factory Factory to use to construct the camera sensor + */ +void CameraSensorFactoryBase::registerFactory(CameraSensorFactoryBase *factory) +{ + std::vector<CameraSensorFactoryBase *> &factories = + CameraSensorFactoryBase::factories(); + + factories.push_back(factory); +} + +/** + * \class CameraSensorFactory + * \brief Registration of CameraSensorFactory classes and creation of instances + * \tparam _CameraSensor The camera sensor class type for this factory + * + * To facilitate discovery and instantiation of CameraSensor classes, the + * CameraSensorFactory class implements auto-registration of camera sensors. + * Each CameraSensor subclass shall register itself using the + * REGISTER_CAMERA_SENSOR() macro, which will create a corresponding instance + * of a CameraSensorFactory subclass and register it with the static list of + * factories. + */ + +/** + * \fn CameraSensorFactory::CameraSensorFactory() + * \brief Construct a camera sensor factory + * + * Creating an instance of the factory registers it with the global list of + * factories, accessible through the CameraSensorFactoryBase::factories() + * function. + */ + +/** + * \fn CameraSensorFactory::createInstance() const + * \brief Create an instance of the CameraSensor corresponding to the factory + * + * \return A unique pointer to a newly constructed instance of the CameraSensor + * subclass corresponding to the factory + */ + +/** + * \def REGISTER_CAMERA_SENSOR(sensor) + * \brief Register a camera sensor type to the sensor factory + * \param[in] sensor Class name of the CameraSensor derived class to register + * + * Register a CameraSensor subclass with the factory and make it available to + * try and match sensors. The subclass needs to implement two static functions: + * + * \code{.cpp} + * static bool match(const MediaEntity *entity); + * static std::unique_ptr<sensor> create(MediaEntity *entity); + * \endcode + * + * The match() function tests if the sensor class supports the camera sensor + * identified by a MediaEntity. + * + * The create() function creates a new instance of the sensor class. It may + * return a null pointer if initialization of the instance fails. It will only + * be called if the match() function has returned true for the given entity. + */ + } /* namespace libcamera */ |